Given the following properties of a triangle find side b.


11.13

Mathematics

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The area of a triangular sheet of paper is 11 square inches. One side of the triangle is 5 inches more than three times the length of the altitude to that side. Find the length of that side and the altitude to the side. 

A. an altitude of 11 inches, a side of 21 inches long B. an altitude of 2 inches, a side of 11 inches long C. an altitude of 1 inches, a side of 11 inches long D. an altitude of 11 inches, a side of 2 inches long E. none of these

Mathematics

Solve the problem.John has received scores of 85, 88, 87, and 90 on her algebra tests. What is the minimum score he must receive on the fifth test to have an overall test score average of at least 87? (Hint: The average of a list of numbers is their sum divided by the number of numbers in the list.)

A. 83 B. 86 C. 85 D. 84

Mathematics

Solve the problem.Sue had $948 in her bank account. She deposited a $841 paycheck and a  paycheck. How much did she deposit and what was her new balance?

A. $1050; $1791 B. $943; $1881 C. $943; $1891 D. $1789; $1891

Mathematics

Solve.The function N(t) =  , t ? 8gives the body concentration N(t), in parts per million, of a certain dosage of medication after time t, in hours.Graph the function on the interval [8, ?) and complete the following:N(t) ?   as t ? ?.

A.

N(t) ? 0.1 as t ? ?.
B.

N(t) ? 1 as t ? ?.
C.

N(t) ? 0 as t ? ?.
D.

N(t) ? 0.086 as t ? ?.

Mathematics